.root {
  display: flex;
  box-sizing: border-box;
  position: relative;
  height: 600px;
  border: 1px solid red;
}

.leftPane {
  box-sizing: border-box;
  width: 38%;
  background: #F4F7F9;
  height: 100%;
  position: absolute;
  border-right: 1px solid #EDEDED;
  z-index: 0;
}

.rightPane {
  box-sizing: border-box;
  width: 62%;
  height: 100%;
  background: #F9F9F9;
  position: absolute;
  left: 38%;
  z-index: 0;
}

.form {
  box-sizing: border-box;
  z-index: 1;
  width: 100%;
}

.prop {
  box-sizing: border-box;
  width: 100%;
  position: relative;
  overflow: auto;
}

.leftPart {
  box-sizing: border-box;
  width: 38%;
  text-align: left;
  float: left;
  background-color: #bde2d7;
}

.leftPartNested {
  composes: leftPart;
}

.leftPartSecondNested {
  composes: leftPartNested;
}

.rightPart {
  box-sizing: border-box;
  width: 100%;
  position: relative;
  right: 0px;
  text-align: right;
  top: 0px;
}

.rightChild {
  box-sizing: border-box;
  width: 62%;
  background: #d2d2f5;
  position: absolute;
  right: 0;
}

.line {
  float: left;
  width: 10px;
  border-left: 1px solid red;
  margin-left: 10px;
}
